Butler, B.S., 1909, The Yakutat Bay region, Alaska; petrographic study of rocks, in Tarr, R.S., and Butler, B.S., The Yakutat Bay region, Alaska; physiography and glacial geology: U.S. Geological Survey Professional Paper 64, p. 171-178.
This publication is part of a larger work. Please see P 64 for more information.